FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value, Assets Measured on Recurring Basis

The following tables set forth the Company’s financial assets measured at fair value on a recurring basis as of December 31, 2017 and December 31, 2016, by level within the fair value hierarchy. Assets measured at fair value are classified in their entirety based on the lowest level of input that is significant to their fair value measurement.



	Fair Value as of		Fair Value Measurements Using Fair Value Hierarchy as of
	December 31, 2017		December 31, 2017
	Total		Level 1		Level 2		Level 3		Valuation Technique
Assets
Cash and cash equivalents	$	59,400	$	59,400	$	—	$	—	Market
Restricted cash	33,406		33,406		—		—		Market
Total	$	92,806	$	92,806	$	—	$	—

	Fair Value as of		Fair Value Measurements Using Fair Value Hierarchy as of
	December 31, 2016		December 31, 2016
	Total		Level 1		Level 2		Level 3		Valuation Technique
Assets
Cash and cash equivalents	$	68,055	$	68,055	$	—	$	—	Market
Restricted cash	65,441		65,441		—		—		Market
Available-for-sale securities	17,630		17,630		—		—		Market
Total	$	151,126	$	151,126	$	—	$	—